Darwin-Hooker Letters : Letter from J. D. Hooker to C. R. Darwin 4 August 1856
Hooker, Joseph Dalton
Darwin-Hooker Letters
<p style='text-align: justify;'>JDH’s arguments against transmutation: 1. Plants do not show the confusion he would expect; 2. Under clearly similar physical conditions we do not find same species.</p><p style='text-align: justify;'>JDH’s argument against migration: commonality of alpine species. Believes migration opposes facts of botanical distribution in Van Diemen’s Land and New Zealand; prefers continental extension theory.</p>